Beefing up rear end

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October 18th, 2012 | 09:06 PM

88Cutty GT

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Joined: Sep 2012

Posts: 4

Beefing up rear end

I have a 1988 Oldsmobile Cutlass GT. I'm trying to put a 455 engine in it, my question is what all will I have to do to my car to make my rear end handle all the new power?

October 19th, 2012 | 02:11 PM

mike's88

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Joined: Sep 2008

Posts: 450

From: brookfield, ill

You probably have the 7.5 rear in there. If you can find one, get an 8.5 from an 84 and up g-body like the 442, or grand national.

October 19th, 2012 | 07:06 PM

Run to Rund

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Joined: Mar 2008

Posts: 3,893

If you don't find a deal on an 8.5, Quick Performance and others make drop in Type F ten bolts (aka 9" Ford).

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